Herrera M, Rysavy J, Kotula F, Rusnak B, Castaneda-Zuniga W R, Amplatz K
Radiology. 1982 Aug;144(3):638-40. doi: 10.1148/radiology.144.3.7100485.
Ivalon (polyvinyl alcohol sponge) shavings can be used as a permanent embolic material. When injected as a suspension with assorted particles of proper size, congenital arteriovenous malformations can be cured, eliminating the need for surgical excision.